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Inspection Procedure

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO JACK ADAPTER)

Disconnect the navigation receiver assembly connector.
Disconnect the stereo jack adapter connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

STANDARD RESISTANCE REFERENCE CHART

Tester Connection	Condition	Specified Condition
E38-4 (AUXO) - E32-19 (AUXI)	Always	Below 1 Ω
E38-3 (ASGN) - E32-16 (ASGN)	Always	Below 1 Ω
E38-2 (ARO) - E32-15 (ARI)	Always	Below 1 Ω
E38-1 (ALO) - E32-17 (ALI)	Always	Below 1 Ω
E38-4 (AUXO) - Body ground	Always	10 kΩ or higher
E38-3 (ASGN) - Body ground	Always	10 kΩ or higher
E38-2 (ARO) - Body ground	Always	10 kΩ or higher
E38-1 (ALO) - Body ground	Always	10 kΩ or higher

Fig 1: Identifying E32 Navigation Receiver Assembly And E38 Stereo Jack Adapter Connectors

G06035982

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )